diff --git a/build/jam/BuildFeatures b/build/jam/BuildFeatures
index e9fe8fe494..7e0be56af3 100644
--- a/build/jam/BuildFeatures
+++ b/build/jam/BuildFeatures
@@ -438,7 +438,7 @@ if [ IsPackageAvailable zlib_devel ] {
 		# sources are required for the primary architecture only
 		primary @{
 			file: source zlib_source
-				sources: develop/sources/%portRevisionedName%/source
+				sources: develop/sources/%portRevisionedName%/sources
 		}@
 		;
 
diff --git a/build/jam/repositories/HaikuPorts/arm b/build/jam/repositories/HaikuPorts/arm
index b5be558b99..216bbf59df 100644
--- a/build/jam/repositories/HaikuPorts/arm
+++ b/build/jam/repositories/HaikuPorts/arm
@@ -22,8 +22,8 @@ RemotePackageRepository HaikuPorts
 	icu_devel-4.8.1.1-1
 	libsolv-0.3.0_haiku_2013_10_01-1
 	libsolv_devel-0.3.0_haiku_2013_10_01-1
-	zlib-1.2.8-2
-	zlib_devel-1.2.8-2
+	zlib-1.2.8-4
+	zlib_devel-1.2.8-4
 	:
 
 	# source packages